Network Gateway Emulating WiFi Display for Content Relay
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Solution Overview
Problem
Users face challenges in displaying audiovisual content from portable devices on fixed equipment that are not compatible with wireless display technologies like WiFi Display, requiring new devices or additional hardware, which can be costly.
Innovation Solution
A network gateway device that mimics compatibility with WiFi Display standards, acting as a relay to enable display forwarding between incompatible devices by transmitting necessary information elements and adapting content formats, using UPnP/DLNA standards for interoperability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a user has portable equipment compatible with WiFi Display but fixed reproduction equipment is not compatible, then the user cannot display content on the fixed device without acquiring new compatible devices or additional hardware, but this increases cost and device complexity
Solution Approach 1:
The patent introduces a network gateway as an intermediary device that bridges the incompatible portable device and fixed reproduction equipment. The gateway receives WiFi Display protocol packets from the portable device and translates them into protocols the fixed device can understand, enabling connectivity without requiring either device to be natively compatible with each other or the gateway standard.
Solution Approach 2:
The gateway creates a virtual representation of WiFi Display compatibility by emulating the necessary protocol behaviors. It copies the functional characteristics of WiFi Display devices, allowing the fixed reproduction equipment to interact with it as if it were a native WiFi Display device, thereby extending compatibility without hardware changes.
2Adaptability or versatility
If a user acquires new devices or additional hardware to enable WiFi Display functionality, then compatibility is achieved, but the cost increases
Solution Approach 1:
The existing network gateway performs the compatibility bridging function as part of its standard operation. Instead of requiring users to purchase additional compatible devices, the gateway uses its own processing capabilities to translate protocols, making the system self-sufficient and eliminating the need for extra hardware purchases.
Solution Approach 2:
The network gateway is designed to perform multiple functions: it serves as a standard network gateway for traffic routing while simultaneously providing WiFi Display protocol translation and emulation. This multi-functionality eliminates the need for separate dedicated compatibility devices, reducing overall system cost.
3Adaptability or versatility
If a dongle device is used to enable WiFi Display on incompatible reproduction equipment, then functionality is achieved, but additional cost and device complexity are incurred
Solution Approach 1:
The patent merges the WiFi Display protocol translation function with the existing network gateway infrastructure. Instead of adding a separate dongle device, the gateway integrates the compatibility bridging capabilities into its core functionality, combining traffic routing and protocol translation in a single device to reduce overall system complexity.
Data Source
AI summary
The invention relates to a method and a device for interconnection in a network gateway comprising a first wireless communication interface and a second interface adapted to the implementation of content sharing operations using an interoperability protocol, the method comprising steps of transmission, by the first interface, of at least one information element aiming to enable the gateway to be detected by a remote equipment as being compatible with a function for reproduction using a wireless communication interface, of reception of data frames defined in a link layer of a wireless network protocol, the data frames comprising an item of audiovisual content and being received from a second remote device connected to the first interface by means of a wireless connection and of transmission of the content received at said second interface to a reproduction device.